Letter to William E. Boeing from [illegible] Manager, Canadian Official Great War Exhibit, March 6, 1919. Informs Boeing that they have enclosed the original letter that WEB brought from Seattle Mayor Ole Hanson to Vancouver, B.C. on a recent airmail…
Letter to "Our Neighbors Across the Line" from Seattle Mayor Ole Hanson, February 15, 1919. Expresses friendship, well-wishes, and a united front "against Hunnism." Letter was carried on the first international airmail flight from Vancouver, B.C. to…